Search
Now showing items 11-20 of 146
Observation of Λ0b → ψ(2S)pK− and Λ0b → J/ψπ + π −pK− decays and a measurement of the Λ0b baryon mass
(Springer, 2016)
The decays Λ0b → ψ(2S)pK− and Λ0b → J/ψπ + π −pK− are observed in a data sample corresponding to an integrated luminosity of 3 fb−1, collected in proton-proton collisions at 7 and 8 TeV centre-of-mass energies by the LHCb ...
Prompt and nonprompt J/ψ production and nuclear modification in pPb collisions at √sNN = 8.16 TeV
(Elsevier, 2017)
The production of J/ψ mesons is studied in proton-lead collisions at the centre-of-mass energy per
nucleon pair
√
sNN = 8.16 TeVwith the LHCb detector at the LHC. The double differential cross-sections
of prompt and ...
Measurement of the forward-backward asymmetry in Z/γ∗ → μ + μ − decays and determination of the effective weak mixing angle
(Springer, 2015)
The forward-backward charge asymmetry for the process qq→Z/γ∗→μ+μ− is measured as a function of the invariant mass of the dimuon system. Measurements are performed using proton proton collision data collected with the LHCb ...
Forward production of Υ mesons in pp collisions at √s=7 and 8 TeV
(Springer, 2015)
The production of Υ mesons in pp collisions at √s=7 and 8 TeV is studied with the LHCb detector using data samples corresponding to an integrated luminosity of 1 fb−1 and 2 fb−1 respectively. The production cross-sections ...
Measurement of forward J/ψ production cross-sections in pp collisions at √s=13 TeV
(Springer, 2015)
The production of J/ψ mesons in proton-proton collisions at a centre-of-mass energy of √s=13 TeV is studied with the LHCb detector. Cross-section measurements are performed as a function of the transverse momentum p T and ...
Measurements of the S-wave fraction in B0 → K + π − μ + μ − decays and the B0 → K ∗(892)0 μ + μ − differential branching fraction
(Springer, 2016)
A measurement of the differential branching fraction of the decay B 0 → K ∗(892)0 μ + μ − is presented together with a determination of the S-wave fraction of the K + π − system in the decay B 0 → K +π− μ + μ −. The analysis ...
Measurement of the forward Z boson production cross-section in pp collisions at √s=13 TeV
(Springer, 2016)
A measurement of the production cross-section of Z bosons in pp collisions at √s=13 TeV is presented using dimuon and dielectron final states in LHCb data. The cross-section is measured for leptons with pseudorapidities ...
A study of CP violation in B± →DK± and B±→Dπ± decays with D→K0SK±π∓ final states
(Elsevier, 2014)
A first study of CP violation in the decay modes B±→[KS 0 K±π∓] D h±and B±→[KS 0 K∓ π±]
D h±, where h labels a K or π meson and D labels a D 0 or D‾ 0 meson, is performed. The
analysis uses the LHCb data set collected ...
Measurement of the ratio of branching fractions B(B+c→J/ψK+)/B(B+c→J/ψπ+)
(Springer, 2016)
The ratio of branching fractions RK/π≡B(B+c→J/ψK+)/B(B+c→J/ψπ+) is measured with pp collision data collected by the LHCb experiment at centre-of-mass energies of 7 TeV and 8 TeV, corresponding to an integrated luminosity ...
Measurement of the CKM angle γ using B0 → DK *0 with D → K0S π + π − decays
(Springer, 2016)
A model-dependent amplitude analysis of the decay B 0 → D(K 0S π + π −)K ∗ 0 is performed using proton-proton collision data corresponding to an integrated luminosity of 3.0 fb−1, recorded at √s=7 and 8 TeV by the LHCb ...